C# Backend Developer (m/w/d)

About us
Optimus Search is working with a forward-thinking IoT company in the energy sector that's developing technology to help reduce heating energy use in both new and existing buildings. Their product plays a key role in helping customers reach net-zero climate goals. They're looking to hire a Backend .NET Developer to support their growing team. As a Microsoft Gold Partner, they work with modern tools and technologies, and this role offers the chance to develop solutions in a cloud-based environment.

Tasks

• Develop scalable, reliable, and efficient backend services for our cloud-native IoT platform
• Take ownership of entire functional areas or services and guide them through the full development lifecycle
• Actively shape system architecture and select the most suitable frameworks and technologies
• Work closely with data scientists to optimize and implement algorithms that directly impact the user experience
• Operate in a state-of-the-art technology environment with ASP.NET Core and IoT infrastructure
• Collaborate with frontend developers to create customer-focused applications for multiple platforms

Profile

• 2+ years of proven experience in developing backend applications using C# and ASP.NET Core
• Strong proficiency with databases
• Passion for implementing and optimizing complex algorithms
• Experience in Domain-Driven Design (DDD) and event-driven architectures
• Hands-on experience with messaging technologies such as Kafka, Azure Event Hub, and MQTT in production environments is an advantage
• Advanced German language skills (B2 level or higher)